[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jun 27 21:13:27 UTC 2025
IPv4 R&E Routing Table Report 21:10 GMT Fri 27 Jun, 2025
IPv4 BGP Table (Global) as seen at AARNET (Brisbane).
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/
Analysis Summary
----------------
BGP routing table entries examined: 988367
Prefixes after maximum aggregation (per Origin AS): 381732
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 483819
Number of IPv4 prefixes with a valid ROA: 553002
Number of IPv4 prefixes with an invalid ROA: 156
Number of IPv4 prefixes with no ROA: 435209
Total ASes present in the Internet Routing Table: 76932
Prefixes per ASN: 12.85
Origin-only ASes present in the Internet Routing Table: 65921
Origin ASes announcing only one prefix: 26911
Transit ASes present in the Internet Routing Table: 11011
Transit-only ASes present in the Internet Routing Table: 552
Paths with bogon ASNs present in the IPv4 Routing Table: 28
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 78
Max AS path prepend of ASN (133647) 73
Prefixes from unregistered ASNs in the Routing Table: 1103
Number of instances of unregistered ASNs: 1141
Number of 32-bit ASNs allocated by the RIRs: 46662
Number of 32-bit ASNs visible in the Routing Table: 38452
Prefixes from 32-bit ASNs in the Routing Table: 204758
Number of bogon 32-bit ASNs visible in the Routing Table: 102
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 447
Number of addresses announced to Internet: 3105822720
Equivalent to 185 /8s, 31 /16s and 24 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 322961
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 260467
Total APNIC prefixes after maximum aggregation: 77713
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 251137
Unique aggregates announced from the APNIC address blocks: 104382
APNIC Region origin ASes present in the Internet Routing Table: 14658
APNIC Prefixes per ASN: 17.13
APNIC Region origin ASes announcing only one prefix: 4470
APNIC Region transit ASes present in the Internet Routing Table: 1956
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 78
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10187
Number of APNIC addresses announced to Internet: 748782080
Equivalent to 44 /8s, 161 /16s and 130 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-155961
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 291259
Total ARIN prefixes after maximum aggregation: 131452
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292844
Unique aggregates announced from the ARIN address blocks: 139663
ARIN Region origin ASes present in the Internet Routing Table: 19232
ARIN Prefixes per ASN: 15.23
ARIN Region origin ASes announcing only one prefix: 7033
ARIN Region transit ASes present in the Internet Routing Table: 1988
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5239
Number of ARIN addresses announced to Internet: 1349215744
Equivalent to 80 /8s, 107 /16s and 102 /24s
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 64198-64296, 393216-402332
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8,
67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8,
74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8,
100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8,
131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8,
139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8,
148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8,
159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8,
167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8,
184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8,
207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 276271
Total RIPE prefixes after maximum aggregation: 135554
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274972
Unique aggregates announced from the RIPE address blocks: 176626
RIPE Region origin ASes present in the Internet Routing Table: 28921
RIPE Prefixes per ASN: 9.51
RIPE Region origin ASes announcing only one prefix: 12043
RIPE Region transit ASes present in the Internet Routing Table: 3982
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12515
Number of RIPE addresses announced to Internet: 731253760
Equivalent to 43 /8s, 150 /16s and 12 /24s
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 64396-64495
196608-216475
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8,
81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8,
88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8,
95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8,
185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8,
217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 124071
Total LACNIC prefixes after maximum aggregation: 29633
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120544
Unique aggregates announced from the LACNIC address blocks: 48951
LACNIC Region origin ASes present in the Internet Routing Table: 11276
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2673
LACNIC Region transit ASes present in the Internet Routing Table: 2511
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9225
Number of LACNIC addresses announced to Internet: 171246592
Equivalent to 10 /8s, 53 /16s and 4 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 35196
Total AfriNIC prefixes after maximum aggregation: 6639
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 48422
Unique aggregates announced from the AfriNIC address blocks: 13800
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 25.21
AfriNIC Region origin ASes announcing only one prefix: 692
AfriNIC Region transit ASes present in the Internet Routing Table: 378
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet: 105073664
Equivalent to 6 /8s, 67 /16s and 76 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
9808 11415 8759 114 CHINAMOBILE-CN China Mobile Communication
7545 6152 841 652 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4410 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4335 534 308 BBIL-AP BHARTI Airtel Ltd., IN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3697 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3275 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2891 856 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2286 811 178 CMNET-JIANGSU-AP China Mobile communicati
4755 2176 434 194 TATACOMM-AS TATA Communications formerly
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13593 40953 5212 AMAZON-02, US
11492 4774 316 625 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
22773 3608 3037 209 ASN-CXA-ALL-CCI-22773-RDC, US
174 3469 8758 852 COGENT-174, US
749 3226 54767 2477 DNIC-AS-00749, US
396982 3192 3854 429 GOOGLE-CLOUD-PLATFORM, US
16625 3117 1309 2255 AKAMAI-AS, US
36352 2833 231 860 AS-COLOCROSSING, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 7672 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4067 3395 127 AKAMAI-ASN1, NL
9009 3908 359 2109 M247, RO
12389 3118 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2401 361 581 TELLCOM-AS, TR
212238 2328 171 1706 CDNEXT, GB
8452 1635 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1416 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12232 3256 575 UNINET, MX
10620 3506 481 1018 Telmex Colombia S.A., CO
13999 2539 538 355 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1370 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1201 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1197 371 22 Telefonica del Peru S.A.A., PE
22884 1064 70 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1054 2487 55 TIM SA, BR
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1822 644 27 RAYA-AS, EG
24863 1621 389 17 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1078 523 47 Vodafone-, EG
36914 575 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 531 56 54 WANANCHI-, KE
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13593 40953 5212 AMAZON-02, US
8151 12232 3256 575 UNINET, MX
9808 11415 8759 114 CHINAMOBILE-CN China Mobile Communication
12479 7672 1713 148 UNI2-AS, ES
7545 6152 841 652 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4780 291 66 ALJAWWALSTC-AS, SA
11492 4774 316 625 CABLEONE, US
18403 4410 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4335 534 308 BBIL-AP BHARTI Airtel Ltd., IN
20940 4067 3395 127 AKAMAI-ASN1, NL
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 12232 11657 UNINET, MX
9808 11415 11301 CHINAMOBILE-CN China Mobile Communications Grou
12479 7672 7524 UNI2-AS, ES
7545 6152 5500 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4780 4714 ALJAWWALSTC-AS, SA
18403 4410 4385 FPT-AS-AP FPT Telecom Company, VN
11492 4774 4149 CABLEONE, US
9498 4335 4027 BBIL-AP BHARTI Airtel Ltd., IN
20940 4067 3940 AKAMAI-ASN1, NL
7552 3921 3895 VIETEL-AS-AP Viettel Group, VN
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:14 /10:41 /11:92 /12:299
/13:585 /14:1210 /15:2155 /16:13823 /17:8252 /18:13513
/19:24549 /20:43994 /21:51840 /22:112235 /23:103082 /24:612666
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 6595 7672 UNI2-AS, ES
8151 6442 12232 UNINET, MX
11492 3573 4774 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2738 3608 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2346 13593 AMAZON-02, US
30036 2263 2605 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2193 3506 Telmex Colombia S.A., CO
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2377 2:1529 3:820 4:10 5:4753 6:161
7:6 8:1566 9:1 11:172 12:1343 13:444
14:2533 15:365 16:283 17:379 18:919 20:554
21:4 22:188 23:7668 24:2724 25:2 27:2784
29:19 31:3309 32:35 33:1 34:80 35:258
36:3186 37:4578 38:9344 39:906 40:206 41:4262
42:1932 43:2644 44:378 45:18627 46:5135 47:323
49:1923 50:1890 51:592 52:1556 54:324 55:1105
56:11 57:272 58:2210 59:1189 60:1172 61:2791
62:2931 63:1791 64:5501 65:2061 66:4701 67:3081
68:1118 69:3935 70:1114 71:630 72:2868 74:2798
75:1517 76:608 77:2770 78:1909 79:1724 80:2209
81:2070 82:3187 83:1456 84:1880 85:3458 86:1091
87:2137 88:1345 89:4406 90:777 91:8392 92:2740
93:2938 94:4040 95:4422 96:1475 97:310 98:1000
99:688 100:72 101:1404 102:3875 103:32346 104:5224
105:764 106:975 107:2672 108:1253 109:4109 110:2233
111:3238 112:2142 113:1843 114:1996 115:2205 116:2064
117:2580 118:2935 119:1900 120:2082 121:1380 122:2791
123:2221 124:1590 125:2870 126:91 128:1613 129:951
130:1303 131:2061 132:781 133:451 134:1557 135:350
136:1350 137:1315 138:2813 139:1591 140:1619 141:1512
142:1916 143:1932 144:1164 145:560 146:2180 147:2114
148:2710 149:2933 150:1267 151:2108 152:2084 153:590
154:7850 155:1764 156:3139 157:1927 158:1333 159:2502
160:3612 161:1861 162:3887 163:2238 164:1859 165:2036
166:1515 167:1993 168:3956 169:786 170:5129 171:1010
172:4474 173:3356 174:927 175:1322 176:3704 177:4715
178:3891 179:2315 180:2637 181:4080 182:3465 183:2101
184:2126 185:21625 186:5169 187:4580 188:4262 189:4322
190:9585 191:1486 192:11324 193:9485 194:7814 195:5543
196:3275 197:3184 198:6202 199:8527 200:8212 201:6388
202:10313 203:10668 204:4594 205:3647 206:4472 207:3594
208:4288 209:5164 210:4616 211:2540 212:4576 213:3778
214:1014 215:45 216:6769 217:3207 218:1362 219:391
220:2137 221:1156 222:725 223:2516
End of report
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